CN209406017U - Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas - Google Patents
Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas Download PDFInfo
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- CN209406017U CN209406017U CN201821635162.2U CN201821635162U CN209406017U CN 209406017 U CN209406017 U CN 209406017U CN 201821635162 U CN201821635162 U CN 201821635162U CN 209406017 U CN209406017 U CN 209406017U
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- ammonia
- hydrogen sulfide
- exhaust gas
- sulphur
- removal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses ammonia, sulphur and VOCs devices in a kind of synchronous removal livestock and poultry cultivation exhaust gas, comprising: concatenated deamination module and depriving hydrogen sulphide module；The deamination module includes that ammonia absorbs part and ammonia removal part, spray system is provided in the gas distribution pipe of ammonia absorption part and is inoculated with the polyester sponge filler of activated sludge, ammonia removal partial interior is provided with the needle-shaped filler including multiple biological diaphragm areas, air flow rate sensor is provided in gas distribution pipe, spray system is provided with liquid pump, spray flow rate sensor and pH sensor；The depriving hydrogen sulphide module includes hydrogen sulfide absorption part and hydrogen sulfide removal part, polyester sponge filler is provided in hydrogen sulfide absorption part, hydrogen sulfide removal part is provided with needle-shaped filler, hydrogen sulfide absorption part is provided with air flow rate sensor, and spray system is provided with liquid pump, spray flow rate sensor and pH sensor.
Description
Technical field
The utility model belongs to technical field of sewage, in particular to ammonia in a kind of synchronous removal livestock and poultry cultivation exhaust gas,
Sulphur and VOCs device are suitable for the sulphur removal of livestock and poultry cultivation nitrogen emission and deodorization engineering.
Background technique
With the rapidly development of livestock and poultry breeding industry, intensive, modernization is constantly accelerated, and scale livestock farming is to environment
Caused by pollution also result in country attention.Wherein, the foul gas generated during livestock and poultry cultivation not only causes atmosphere dirty
Dye, and cultivated animals growth is impacted, serious person even influences the Health and Living quality of perimeter resident.Cause
This, how the processing livestock and poultry exhaust gas of safe green, to improve atmospheric environment and improve farm's nearby residents quality of life have
Important meaning.
What livestock and poultry cultivation exhaust gas generated be derived from all microorganism is using utilizing fecaluria, sewage and do not digest carbon in feed
The result of the nutrient metabolisms such as hydrate, fat, protein, minerals and vitamins effect.Microorganism is not mainly
Decomposing organic compounds generate foul gas under complete anaerobic condition.Therefore, the main component of livestock and poultry cultivation exhaust gas has ammonia and waves
Hair property amine, sulfur-containing compound (hydrogen sulfide, thioether class, thio-alcohol), volatile fatty acid, aromatic compound.
Livestock and poultry exhaust-gas treatment is exactly to handle its main component ammonia, hydrogen sulfide and volatile fatty acid.Wherein ammonia is de-
Except method has physical method, chemical method, catalytic decomposition, catalysis aerobic breakdown and bioanalysis
1. physical method is the most common technology of ammonia processing, i.e., industrial tail gas is absorbed using soft water or weak aqua ammonia as absorbent
In ammonia, obtained low concentration ammonium hydroxide further distills, liquefied ammonia utilization is made in rectifying, pressurization, condensation.Shortcoming mainly has:
Consume a large amount of water and energy；Recovery ammonia utilization rate is not high, and synthesis ammonia and urea production raw material is caused largely to lose；It generates certain
The NO of amountxCause secondary pollution.
2. chemical method is mainly the alkalinity for utilizing ammonia, so that ammonia and acidic materials is reacted and then generate low value-added nitrogen
Fertilizer, since the usual volatility of recovered solvent is big, corrosivity is strong, the method for ammonia is answered in industry in chemisorbing purifying industrial tail gas
It is gradually eliminated in.
3. catalytic decomposition is that ammonia is thoroughly decomposed into N under the effect of the catalyst2And H2, but there is also very for device at present
Otherwise more problems will appear loss, catalyst sulfur poisoning or the generation ammonium salt blockage of catalyst if reaction temperature needs strict control
Phenomena such as catalyst, in addition the energy consumption of ammonia catalytic decomposition is high, and operating cost is high, is not suitable for generally using.
4. being catalyzed aerobic breakdown method is that ammonia is catalytically conveted to N under aerobic conditions2And water, decomposition reaction at 300 DEG C just
It can carry out, not generate secondary pollution, but method processing ammonia concentration is lower, is not suitable for the processing of higher concentration ammonia, otherwise wants
Temperature is improved, energy consumption is increased.
5. the Biochemical method of ammonia is to fill out ammonia-containing gas by porous containing fixation of microbe by biofiltration process
Expect that bed, the pollutant in air-flow are absorbed by biomembrane, removal generates CO2, H2O, NO2 -And NO3 -.It is compared with the traditional method, biology
Filtering technique has suitable advantage in terms of handling low concentration pollution gas, and the technology also has efficiently, low Meteorological
And operating cost, safety operation, low energy expenditure do not generate byproduct, can be converted to many inorganic matters and organic matter harmless
Remover the characteristics of.
The common removal methods of hydrogen sulfide mainly have absorption process, absorption method, dry method removal method and wet process removal method.
1. absorption process includes Physical Absorption and chemical absorption method.Physical Absorption method generallys use organic solvent as hydrogen sulfide
Absorbent, process is simple, is not required to the heat source of additional steam and other additional sources.Chemical absorption method is usually that hydrogen sulfide is molten
Yu Shuihou, using the solution of the strong base-weak acid salt with buffer function such as phenates, phosphate, borate, amino-acid salt etc. or one
A little weak base absorption processing.
2. absorption method is the absorption property purification hydrogen sulfide gas using certain porous materials, this method is usually used in handling
The lower gas of concentration of hydrogen sulfide.Usually require that adsorbent resistance is low, high without dust, adsorption capacity height, retention degree, due to absorption
The unsuitable frequent regeneration of deodorization device, it requires that entrance concentration of hydrogen sulfide cannot be too high, otherwise regeneration frequently, cause waste without
Ji.
3. dry method removal is to remove a kind of method of the hydrogen sulfide gas at elemental sulfur or removal of sulphur object, allusion quotation in general
Type has Claus method and selective removal method.It is raw material that Claus method, which is using hydrogen sulfide, interior in Crouse's combustion furnace to make
A part removal in exhaust gas generates SO2, with the H in air inlet2S reaction generates sulphur recovery.Claus method requires temperature in reactor
Degree is necessarily less than 650 DEG C, and the H of exhaust gas2S initial concentration is more than or equal to 15%-20%.Selective removal method is in catalyst
Under the action of with the oxygen in air by H2S directly removes as sulphur, the key of this method be develop selectivity it is good, to H2O and excess
O2Insensitive high activated catalyst is prepared with the different mixtures of iron-based remover at present.Selective removal method sulphur it is total
The rate of recovery can reach 98%-99%.
4. wet process removal is bigger than dry desulfurization processing capacity, operating flexibility is big, and desulfuration efficiency is high.Cardinal principle are as follows:
H2S+Na2CO3—NaHS+NaHCO3
2NaHS+4NaVO3+H2O—Na2V4O9+4NaOH+2S
Na2V4O9+2NaOH+H2O+2ADA—4NaVO3+2HADA
O2+2HADA—2ADA+2H2O
The device problem is: harmful waste liquid processing is difficult, may cause secondary pollution；Micro-tapping is big；By-product makes
Drug consumption increases；The sulphur simple substance of generation is of poor quality；Suspended particulate recycling is difficult, easily causes plugged filter etc..
Utility model content
The utility model, which provides, provides a kind of simultaneous denitrification sulphur removal biological treatment device that aerobic, anaerobism combines, mesh
Be the harmful components removed in livestock and poultry exhaust gas, and overcome existing processing ammonia, hydrogen sulfide and volatile organic matter technology not
Foot.
Technical solution is as follows:
Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas, comprising: concatenated deamination module and devulcanization
Hydrogen module；
The deamination module includes that ammonia absorbs part and ammonia removal part, is provided with spray in the gas distribution pipe of ammonia absorption part
System and the polyester sponge filler for being inoculated with activated sludge, ammonia removal partial interior are provided with the needle including multiple biological diaphragm areas
Shape filler is provided with air flow rate sensor in gas distribution pipe, and spray system is provided with liquid pump, spray flow rate sensor and pH value
Sensor；
The depriving hydrogen sulphide module includes hydrogen sulfide absorption part and hydrogen sulfide removal part, and hydrogen sulfide absorption is set in part
It is equipped with polyester sponge filler, hydrogen sulfide removal part is provided with needle-shaped filler, and hydrogen sulfide absorption part is provided with gas flow rate biography
Sensor, spray system are provided with liquid pump, spray flow rate sensor and pH sensor.
Preferably, ammonia, sulphur and VOCs device include the logical gas of drive gas flow in the synchronous removal livestock and poultry cultivation exhaust gas
Body pump, is set to before deamination module.
Preferably, ammonia, sulphur and VOCs device include exhaust gas concentration sensor in the synchronous removal livestock and poultry cultivation exhaust gas, if
Before or after setting gas pump.
Preferably, the ammonia absorbs part and hydrogen sulfide absorption part is respectively connected with pH value regulating device.
Preferably, the ammonia absorbs part control ammonia absorption process gas residence time in 15-20s, and pH value is in 7.5-9
Between, spray flow 0.7-35L/min.
Preferably, the hydrogen sulfide absorption partial vulcanization hydrogen residence time, pH value was in 7-8, spray flow in 25s-30s
0.7-35 L/min。
The working principle of whole device is as follows:
Firstly, livestock and poultry exhaust gas enters deamination module, after the absorption and nitrosation that carry out ammonia in part are absorbed in ammonia, obtain
Ammonia is entered by spray mode dissolved with ammonia and conversion nitrite nitrogen liquid and removes part, the nitrogen for realizing ammonia is removed by anaerobism ammonia
Conversion, the hydrolysis of organic matter in liquid phase is realized by short-cut denitrification；
Then, the deamination liquid and exhaust gas that obtain by deamination resume module enter the hydrogen sulfide absorption of depriving hydrogen sulphide module
Part, by way of spray, exhaust gas is introduced directly into deamination liquid, carries out H2H under the absorption of S and aerobic conditions2S is converted into sulphur list
Matter, what is obtained is dissolved with H2S and NO3 -Liquid enters hydrogen sulfide removal part, under aerobic and oxygen free condition, by with NO3 -Association
The removal of simple substance S is realized with processing, while the VOCs of removal dissolution in the liquid phase is acted on by autotrophic microbe.
It is provided with spray system and biologic packing material in the gas distribution pipe of deamination module ammonia absorption part, is inhaled using spray liquid
The ammonia in exhaust gas is received, and by control spray flow, gas residence time and pH value, in the polyester sponge for being inoculated with activated sludge
Conversion of the ammonia to nitrite nitrogen is realized in filler.
The deamination module ammonia removal partial interior is provided with needle-shaped filler, realizes short-cut denitrification and the removal of anaerobism ammonia
Synergistic effect, by microorganism formed biomembrane be divided into three regions,
Outermost layer completes NH4 +Removal, primary product NO2 -, a small amount of NO3 -；
NH occurs under anoxia condition for secondary outer layer4 +And NO2 -Reaction directly generates nitrogen；Part NO simultaneously2 -With the VOC in water
Short distance nitration reaction occurs for the organic matter generated with the hydrolysis acidification of organic granular；
The CO that anaerobic organism reaction generates occurs for innermost layer, anoxic organic matter2With the CO contained in exhaust gas2Anaerobism ammonia is provided
Carbon source required for removing.
The hydrogen sulfide absorption partial interior setting spray system and biologic packing material of the depriving hydrogen sulphide module, by controlling liquid
Body spray flow, gas residence time and pH, spray liquid autolysis oxygen complete H2S first step aerobic reaction in aqueous solution, shape
At part simple substance S, complete nutrient solution a part after absorbing and flow back into cyclic absorption exhaust gas in nutrient solution water tank, another part into
Enter in hydrogen sulfide removal part；Microorganism in biologic packing material realizes H2S fully absorb and H2S is in biologic packing material to sulphur list
The conversion of matter.
The hydrogen sulfide removal part of the depriving hydrogen sulphide module utilizes H remaining in spray liquid2It is produced in S and deamination module
Raw a small amount of NO3 -, will using simultaneous denitrification sulphur removal microbial reaction occurs under the action of thiobacillus denitrificans under conditions of anaerobism
NO3 -Conversion is for nitrogen, H2S is converted into sulphur simple substance.
Polyester sponge filler is provided in the hydrogen sulfide absorption part of the depriving hydrogen sulphide module, hydrogen sulfide removal part is set
It is equipped with needle-shaped filler.
The concentration of livestock and poultry cultivation exhaust gas is between 2-10ppm.
The utility model can combine the synergistic effect between differential responses module using Aerobic-anaerobic device, realize
The innoxious removal of nitrogen, sulphur and volatile organic matter.
Advantage of the utility model compared with the prior art has:
1. livestock and poultry cultivation exhaust-gas treatment synchronization process biological device, structure is simple, easy to process, convenient for future popularization and
Using.
2. the removal of ammonia, hydrogen sulfide and volatile organic matter is combined, treatment effeciency is improved.
3. step by step, stage by stage, subsystem handle livestock and poultry cultivation exhaust gas, by process flow be divided into ammonia abjection and hydrogen sulfide
Deviate from two big modules, while realizing the effect of the collaboration processing between two big modules, not only increases the place of ammonia and hydrogen sulfide
Efficiency is managed, and realizes the removal of volatile organic matter.
4. aerobic combine with anaerobic device, the harmless treatment of ammonia and hydrogen sulfide is realized, exhaust gas, which uses, first to be absorbed
The mode of post-processing, by controlling operating parameter, during ammonia absorbs, using the oxygen in livestock and poultry exhaust gas by part ammonia
Remove into nitrite.Under anaerobic, by absorbing liquid ammonium ion and nitrite ion be converted into nitrogen, realize ammonia
The harmless treatment of gas；During hydrogen sulfide absorption, partial vulcanization hydrogen is removed as sulphur list using the oxygen in livestock and poultry exhaust gas
Matter.Under anaerobic, using microbial action by hydrogen sulfide absorption liquid sulphur hydrogen radical ion and nitrate ion be converted into
Sulphur simple substance and nitrogen.
5. it is low in cost, it is safe and efficient, it is not necessarily to catalyst and additional carbon, exhaust treatment system need to only supplement a small amount of water.
6. forming elemental sulfur can be with recovery section processing cost.
Detailed description of the invention
Ammonia, sulphur and VOCs schematic device in the synchronous removal livestock and poultry cultivation exhaust gas of Fig. 1.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, below with reference to embodiment to this
Ammonia, sulphur and VOCs device are described in detail in a kind of synchronous removal livestock and poultry cultivation exhaust gas that utility model provides.
Ammonia, sulphur and VOCs device are divided into ammonia abjection module in synchronous removal livestock and poultry cultivation exhaust gas provided by the utility model
Deviate from the big module of module two with hydrogen sulfide, and realizes the volatile organic matter in livestock and poultry exhaust gas by the synergistic effect of two big modules
Removal.
Embodiment 1
Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas, comprising: concatenated deamination module and devulcanization
Hydrogen module；
Deamination module includes that ammonia absorbs part and ammonia removal part, is provided with spray system in the gas distribution pipe of ammonia absorption part
With the polyester sponge filler for being inoculated with activated sludge, ammonia removal partial interior is provided with to be filled out including multiple biological the needle-shaped of diaphragm area
Expect, air flow rate sensor is provided in gas distribution pipe, and spray system is provided with liquid pump, spray flow rate sensor and pH value sensing
Device；
The depriving hydrogen sulphide module includes hydrogen sulfide absorption part and hydrogen sulfide removal part, and hydrogen sulfide absorption is set in part
It is equipped with polyester sponge filler, hydrogen sulfide removal part is provided with needle-shaped filler, and hydrogen sulfide absorption part is provided with gas flow rate biography
Sensor, spray system are provided with liquid pump, spray flow rate sensor and pH sensor.
Ammonia, sulphur and VOCs device include the logical gas pump of drive gas flow in synchronous removal livestock and poultry cultivation exhaust gas, are set to
Before deamination module.
Ammonia, sulphur and VOCs device include exhaust gas concentration sensor in synchronous removal livestock and poultry cultivation exhaust gas, setting gas pump it
It is preceding or later.
Ammonia absorbs part and hydrogen sulfide absorption part is respectively connected with pH value regulating device.
Ammonia absorbs part control ammonia absorption process gas residence time in 15-20s, and pH value is between 7.5-9, spray flow
For 0.7-35L/min.
The hydrogen sulfide absorption partial vulcanization hydrogen residence time, pH value was in 7-8, spray flow 0.7-35L/min in 25s-30s.
Polyester sponge filler is provided in the hydrogen sulfide absorption part of depriving hydrogen sulphide module, hydrogen sulfide removal part is provided with
Needle-shaped filler.
The concentration of livestock and poultry cultivation exhaust gas is between 2-10ppm.
The utility model can combine the synergistic effect between differential responses module using Aerobic-anaerobic device, realize
The innoxious removal of nitrogen, sulphur and volatile organic matter.
Specific device process is as follows:
(1) device process
Present apparatus process is divided into gas line and liquid line:
Gas line is livestock and poultry exhaust gas by air-introduced machine introducing ammonia removing module, enters hydrogen sulfide stripping mould after treatment
Block is discharged into atmosphere after harmless treatment.
Liquid line is that the absorbing liquid of ammonia is absorbed in ammonia removing module, removes rear portion as repeats itself into ammonia is crossed
Absorbing liquid, another part enter hydrogen sulfide stripping module, after the harmless treatment of hydrogen sulfide stripping module, enter back into ammonia
Module is removed, the circulation of liquid is completed.
(2) course of work of the utility model is as follows:
1. ammonia absorption process: livestock and poultry exhaust gas is entered by air-introduced machine in the gas distribution pipe of deamination module absorption plant, then
It into the polyester sponge filler for being inoculated with activated sludge, inversely contacts, utilizes with the nutrient solution that screw spraying head sprays
Ammonia property soluble easily in water fully absorbs ammonia, and passes through the amount of the air inflow of control air-introduced machine and recirculating nutrient solution, control
Time of contact processed, promote NH4 +NO is converted under the action of nitrite bacteria2 -.Standing reservoir after absorption is in absorption plant
Bottom storage at, partial reflux cyclic absorption exhaust gas into nutrient solution water tank, another part enters in ammonia oxygen reaction unit.
2. anaerobism ammonia removal process: the absorbing liquid of previous step enters in deamination module removal device, in this course, living
Property sludge be grown on needle-shaped filler, three regions can be divided by being formed by biomembrane: outermost layer completes NH4 +Removal, lead to
Control is crossed, product is mainly NO2 -, a small amount of NO3 -；In secondary outer layer, since NH can occur for anoxic4 +And NO2 -Reaction, directly produce
Nitrogen；Part NO simultaneously2 -It can also occur with the organic matter (mainly from the hydrolysis acidification of VOC and organic granular) for being dissolved in water short
Journey nitration reaction；CO is generated since anaerobic organism reaction can occur for anoxic organic matter in innermost layer2, the CO of release2With it is useless
The CO contained in gas2Carbon source required for anaerobism ammonia removes can be provided.Therefore, denitrogenation can occur simultaneously in this region and takes off
Carbon reaction, i.e., remove NH simultaneously3, VOCs and organic granular.
3. hydrogen sulfide absorption process: the livestock and poultry exhaust gas by ammonia absorption process goes successively to depriving hydrogen sulphide and absorbs part
In, in this process, H is completed using spray liquid autolysis oxygen2S first step aerobic reaction in aqueous solution forms part
Simple substance S.For standing reservoir after absorption at the bottom storage of absorption plant, partial reflux cyclic absorption into nutrient solution water tank is useless
Gas, another part enter in hydrogen sulfide reaction unit.
4. hydrogen sulfide removal process: being dissolved in remaining H in spray liquid2S is removed in part into depriving hydrogen sulphide in anaerobism
Under the conditions of with deamination during the NO that is formed3 -Simultaneous denitrification sulphur removal microbial reaction, the following 5HS of key reaction process occurs-+
2NO3 -+7H+→5S+N2+6H2O.Realize completely removing for hydrogen sulfide.
It is explained in detail above in conjunction with example of the embodiment to the utility model, but the utility model is not limited to
State example, all protection scopes that any improvement and modification made by the utility model are belonged to the utility model claims.
Claims (6)
1. ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas characterized by comprising concatenated deamination mould
Block and depriving hydrogen sulphide module；
The deamination module includes that ammonia absorbs part and ammonia removal part, is provided with spray system in the gas distribution pipe of ammonia absorption part
With the polyester sponge filler for being inoculated with activated sludge, ammonia removal partial interior is provided with to be filled out including multiple biological the needle-shaped of diaphragm area
Expect, air flow rate sensor is provided in gas distribution pipe, and spray system is provided with liquid pump, spray flow rate sensor and pH value sensing
Device；
The depriving hydrogen sulphide module includes hydrogen sulfide absorption part and hydrogen sulfide removal part, and hydrogen sulfide absorption is provided in part
Polyester sponge filler, hydrogen sulfide removal part are provided with needle-shaped filler, and hydrogen sulfide absorption part is provided with air flow rate sensor,
Spray system is provided with liquid pump, spray flow rate sensor and pH sensor.
2. ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas according to claim 1, which is characterized in that institute
Stating ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas includes the logical gas pump of drive gas flow, is set to deamination mould
Before block.
3. ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas according to claim 2, which is characterized in that institute
Stating ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas includes exhaust gas concentration sensor, before setting gas pump or it
Afterwards.
4. ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas according to claim 3, which is characterized in that institute
It states ammonia absorption part and hydrogen sulfide absorption part is respectively connected with pH value regulating device.
5. ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas according to claim 4, which is characterized in that institute
It states ammonia and absorbs part control ammonia absorption process gas residence time in 15-20s, pH value is between 7.5-9, spray flow 0.7-
35L/min。
6. ammonia, sulphur and VOCs device in synchronous removal livestock and poultry cultivation exhaust gas according to claim 5, which is characterized in that institute
The hydrogen sulfide absorption part control hydrogen sulfide residence time is stated in 25s-30s, pH value is in 7-8, spray flow 0.7-35L/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821635162.2U CN209406017U (en) | 2018-10-09 | 2018-10-09 | Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821635162.2U CN209406017U (en) | 2018-10-09 | 2018-10-09 | Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas |
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| Publication Number | Publication Date |
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| CN209406017U true CN209406017U (en) | 2019-09-20 |
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ID=67932431
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| CN201821635162.2U Active CN209406017U (en) | 2018-10-09 | 2018-10-09 | Ammonia, sulphur and VOCs device in a kind of synchronous removal livestock and poultry cultivation exhaust gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359416A (en) * | 2020-03-18 | 2020-07-03 | 生态环境部环境规划院 | Ammonia gas purification system for agriculture |
| WO2022214154A1 (en) * | 2021-04-07 | 2022-10-13 | Hasni Abdelmallek | Device and method for eliminating dust, smoke, gas and vapours expelled into the environment |
-
2018
- 2018-10-09 CN CN201821635162.2U patent/CN209406017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359416A (en) * | 2020-03-18 | 2020-07-03 | 生态环境部环境规划院 | Ammonia gas purification system for agriculture |
| WO2022214154A1 (en) * | 2021-04-07 | 2022-10-13 | Hasni Abdelmallek | Device and method for eliminating dust, smoke, gas and vapours expelled into the environment |
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